Tube



FIG. 1 is a top plan view of a tube showing my new design, the opposite side being identical;

FIG. 2 is a side elevational view thereof, the opposite side being identical;

FIG. 3 is a perspective view thereof;

FIG. 4 is a top plan view of a second embodiment of a tube as in FIG. 1, the opposite side being identical;

FIG. 5 is a side elevational view of FIG. 4, the opposite side being identical;

FIG. 6 is a perspective view of FIG. 4;

FIG. 7 is a top plan view of a third embodiment of a tube as in FIG. 1, the opposite side being identical;

FIG. 8 is a side elevational view of FIG. 7, the opposite side being identical;

FIG. 9 is a perspective view of FIG. 7;

FIG. 10 is a top plan view of a fourth embodiment of a tube as in FIG. 1, the opposite side being identical;

FIG. 11 is a side elevational view of FIG. 10, the opposite side being identical; and,

FIG. 12 is a perspective view of FIG. 10. 

The ornamental design for a tube, as shown and described. 